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Comparison · Infra & APIs

gkwdist vs survivoR

A side-by-side editorial comparison of gkwdist and survivoR — release velocity, themes, recent moves, and the top alternatives to consider.

Shared themes:r-package

gkwdist vs survivoR: at a glance

FeaturegkwdistsurvivoR
SectorInfra & APIsInfra & APIs
Velocity score2.50.0
Sparks · 30d00
Top themesr-package, statistical-distributions, numerical-stability, mledata-package, r-package, television, reality-tv
Last editorial update2h ago33m ago
WebsiteVisit →Visit →

What is gkwdist?

gkwdist keeps finding that its distributions were returning the wrong numbers.

The package implements the Generalized Kumaraswamy distribution family and its sub-families. The current release fixes six numerical defects, the most serious being that dgkw() returned zero for every input because internal helpers collided with same-named functions in R's public Rmath.h header. Log-likelihoods for three sub-families were also wrong for data near zero due to clamping instead of working in log space.

Read the full gkwdist trajectory →

What is survivoR?

A Survivor data package that keeps turning a TV show into a relational database

survivoR ships Survivor franchise data as R data frames covering the US, Australian, UK and New Zealand versions. Recent releases track broadcast: US48, US49 and US50 arrived across 2.3.6, 2.3.9 and 2.3.12, alongside AU09, AU12 and Australia vs. The World. The 2.3.12 release also reworked castaway_scores into an explicit three-tier structure - standardised residual scores, probabilistic scores bounded on [0,1], and combined scores - and added advantage_timeline as a long-format view of advantage movement.

Read the full survivoR trajectory →

gkwdist vs survivoR: editorial side-by-side

G
gkwdist
INFRA · APIS
2.5

gkwdist keeps finding that its distributions were returning the wrong numbers.

◆ Current state

The package implements the Generalized Kumaraswamy distribution family and its sub-families. The current release fixes six numerical defects, the most serious being that dgkw() returned zero for every input because internal helpers collided with same-named functions in R's public Rmath.h header. Log-likelihoods for three sub-families were also wrong for data near zero due to clamping instead of working in log space.

◆ Where it's heading

Every release in this window is correctness work with an unchanged public API — critical MLE fixes in 1.1.3, a CRAN timing-test patch in 1.1.4, numerical corrections in 1.1.5. The recurring theme is that analytically correct formulas were being defeated by implementation details: name collisions, sign errors returning negative infinity where positive was required, and clamping thresholds that destroyed precision in the tails. Test infrastructure added in 1.1.2 validates analytical derivatives against numerical differentiation, which is how several of these were caught.

◆ Prediction

Expect further validation-driven fixes rather than new distributions, since the derivative-checking suite added earlier is still surfacing defects in existing routines.

S
survivoR
INFRA · APIS
0.0

A Survivor data package that keeps turning a TV show into a relational database

◆ Current state

survivoR ships Survivor franchise data as R data frames covering the US, Australian, UK and New Zealand versions. Recent releases track broadcast: US48, US49 and US50 arrived across 2.3.6, 2.3.9 and 2.3.12, alongside AU09, AU12 and Australia vs. The World. The 2.3.12 release also reworked castaway_scores into an explicit three-tier structure - standardised residual scores, probabilistic scores bounded on [0,1], and combined scores - and added advantage_timeline as a long-format view of advantage movement.

◆ Where it's heading

The work is less about adding seasons than about making the tables join cleanly. 2.3.1 rebuilt challenge_description and challenge_results around a shared challenge_id, added challenge characteristic flags and result notes, and put logical finalist, winner and jury flags on castaways. Since then the pattern repeats at smaller scale: boot_order as its own table, season_name deprecated everywhere except season_summary, castaways cleaned so people booted twice appear once. Derived analytical columns are being separated from raw records rather than mixed into them.

◆ Prediction

Expect the next release to add the current season's data on the same broadcast-following cadence, with any structural work continuing to split derived scores out of the raw tables.

Alternatives to gkwdist and survivoR

Other Infra & APIs products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either gkwdist or survivoR.

See all gkwdist alternatives → · See all survivoR alternatives →

Recent activity from gkwdist and survivoR

Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.

  1. 6d agogkwdistv1.1.5 — Numerical correctness fixes and componentwise derivative validation
  2. 2mo agogkwdistv1.1.4 — CRAN fix: skip timing-based tests on CRAN
  3. 2mo agosurvivoRUS50 and AU12 land, castaway scores split into three tiers
  4. 2mo agogkwdistv1.1.3 — Critical MLE Bug Fixes & Numerical Corrections
  5. 7mo agogkwdistAdds analytical derivative validation across all sub-families
  6. 7mo agosurvivoRUS49 data completed and season 50 cast added
  7. 8mo agogkwdistRefactors the C++ backend around stable log-space utilities
  8. 11mo agosurvivoRSurvivor Australia vs. The World added
  9. 1y agosurvivoRboot_order table added and castaways deduplicated
  10. 2y agosurvivoRComplete AU09 data reaches CRAN
  11. 2y agosurvivoRChallenge tables rebuilt around a shared linking key

Frequently asked questions

What is the difference between gkwdist and survivoR?

Both compete on the same themes — r-package — within Infra & APIs. gkwdist is currently shipping more aggressively (velocity 2.5 vs 0.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.

Is gkwdist better than survivoR?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. gkwdist is currently shipping more aggressively (velocity 2.5 vs 0.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Infra & APIs products to evaluate alongside.

What are the best alternatives to gkwdist?

Top gkwdist alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "gkwdist alternatives" section above for the current picks, or visit /alternatives/gkwdist for the full list with editorial commentary on each.

What are the best alternatives to survivoR?

Top survivoR alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "survivoR alternatives" section above for the current picks, or visit /alternatives/survivor for the full list with editorial commentary on each.